CVE-2026-101271

OAuth credentials access tokens are valid for the entirety of their lifetime, even if the application OAuth client they are bound to is manually disabled...

firefox: thunderbird: Sandbox escape in the Remote Settings Client component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape in the Remote Settings Client component...

firefox: thunderbird: Mitigation bypass in the Remote Settings Client component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Mitigation bypass in the Remote Settings Client component...

Important: Red Hat Security Advisory: freerdp security update

An update for freerdp is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring...

EUVD-2026-88754

OAuth credentials access tokens are valid for the entirety of their lifetime, even if the application OAuth client they are bound to is manually disabled...

Important: Red Hat Security Advisory: freerdp security update

An update for freerdp is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerabili...

Important: Red Hat Security Advisory: freerdp security update

An update for freerdp is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerabili...

CVE-2026-97583

A flaw was found in the Linux kernel's AFS Andrew File System client. During server address list refreshes, removed network peers fail to have their associated application data cleared. A network attacker or remote file server can exploit this by sending incoming network callbacks that reference...

Official MCP Python SDK Flaw Can Let Malicious Servers Steal OAuth Credentials

A malicious MCP server could trick an application built on the official MCP Python SDK into handing over the OAuth credentials it uses to log in to a real service, the SDK's maintainers said in a security advisory. Affected versions sent the client secret, the authorization code, and the PKCE pro...

CVE-2026-86247

A flaw was found in Apache Tomcat Native. A race condition within a thread allows client certificate verification requirements to be down-graded for certain configurations. This could enable an attacker to bypass stricter authentication requirements, potentially leading to unauthorized access or...

CVE-2026-97565

A flaw was found in the Linux kernel's SMB Server Message Block client. When communicating with a malicious or compromised server, the client fails to verify that an incoming read response meets the expected minimum header size before accessing header fields. A malicious server can send a truncat...

CVE-2026-97564

A flaw was found in the Linux kernel's SMB Server Message Block client. This vulnerability allows a local user to achieve privilege escalation due to missing validation on identity mapping key descriptions. Because the kernel does not verify that identity mapping requests originate internally, a...

CVE-2026-97563

A flaw was found in the Linux kernel's Server Message Block SMB client. When processing SMB version 1 responses, the read handler does not properly validate the data offset value sent by the server. A malicious or compromised SMB server can exploit this flaw by returning a crafted response with a...

CVE-2026-97562

A flaw was found in the Linux kernel's SMB Server Message Block client. A race condition occurs when a Distributed File System DFS automount expires while the client processes active filesystem references, resulting in a use-after-free memory flaw. A local user could exploit this timing issue...

CVE-2026-97561

A flaw was found in the Linux kernel's Server Message Block SMB client. When an administrator mounts a remote share with options configured to force specific local user and group ownership, the client fails to enforce these restrictions and instead accepts ownership values provided by the remote...

CVE-2026-97560

A flaw was found in the Linux kernel's SMB Server Message Block client. When parsing a share-root relative native symbolic link, an incorrect length calculation causes the client to read past the end of the allocated buffer in the smb2parsenativesymlink function. A malicious server or attacker...

CVE-2026-97559

A flaw was found in the Linux kernel's SMB client. An integer overflow during Discretionary Access Control List DACL reconstruction can allow a local user to corrupt file access permissions sent to a remote server. When processing file permission or ownership updates with numerous access control...

CVE-2026-97558

A flaw was found in the Linux kernel's SMB Server Message Block client subsystem, which can lead to a Denial of Service DoS. Due to a timing issue during deferred file close operations, the kernel fails to properly release an internal file reference count when background cleanup work is already...

CVE-2026-97557

A flaw was found in the Linux kernel's Server Message Block SMB client. This flaw allows a remote or slow-responding SMB server to cause a Denial of Service DoS through a kernel crash. When handling opportunistic lock oplock break requests, the client can leak file reference counters if a new...

CVE-2026-97556

A flaw was found in the Linux kernel's SMB client. This vulnerability can lead to a denial of service DoS on systems using multi-user CIFS mount configurations. When processing an opportunistic lock oplock break, an error during tree link lookup prevents the client from releasing an acquired file...